LIST OP IIOMOPTEBOUS INSECTS, 121 



rounded on eatli side, slraiRht where it joins the epistoma, surrounded 

 by a slight rim and having three ridges, the side pair sliglitly curved 

 and disappearing in the disk, its breadth less than twice its length ; 

 epistoma tawny, triangular, pitchy on each side : mouth tawny with 

 a black tip: fore-chest arched, partly lawny, more than twice the 

 length of the crown : middle-chest partly ferruginous and with an 

 oblique ridge on each side, having a high crest towards the hind 

 border; abdomen obconical, as long as the chest, tawny beneath to- 

 wards the base : legs tawny: fore-wiiigs brown, colourless with four 

 interruptions along the fore border and at the tips, where there are 

 numerous irregular brown dots ; veins ferruginous, tawny in the 

 colourless parts; longitudinal veins very numerous towards the tips; 

 cross-veins few ; along the fore border a row of long mostly parallel 

 cross-veins which are more oblique towards the tips than elsewhere : 

 hind-wings colourless. Length of the body 34 lines ; of the wings 

 12 lines. 

 ((. Port Natal. From M. Gueinzius' collection. 



30. Flatoides uiiDis?Mas. 



Ricania rudis, Sclmum. /' 



Cicada rudis, Sloil, Cic. 81, pi. 21, f. 113. ? 



Pnscus ; caput slriatttm ; frons earinatus ; prothorax fulvus, cari- 

 natus, fiisco maculntus ; mesotltornx tricarinatm^apice flmnm ; 

 melathnrux et pectus ferruginea , abdomen ferrugineo varium; 

 pedes fttlvi ; alie antica: anyustiores, fuscie, ad custam nigra ; 

 aire posticte cinerett, apice fuscte. 



Body brown : head as broad as the chest ; crown finely striated ; 

 very concave behind, slightly convex in front, its length in the middle 

 about half of that on each side ; front very much longer than broad, 

 surrounded by a slight rim, rounded and rather broader on each side 

 towards the epistoma, to which it is closed joined by a very slightly 

 concave suture, obliquely and very finely striated on each side of the 

 very distinct middle ridge which is continued along the epistoma ; 

 the latter is lanceolate : fore-chest conical in front, slightly concave 

 on the hind border, tawny with biown spots Intving a slightly raised 

 tawny middle stri])e, its length on each side about one-lhird of that 

 in the middle : middle-chest having a slightly raised tawny middle 

 stripe, and on each side a slightly undulating ridge: tip yellow: 

 hind-chest and breast ferruginous: abdomen obconical, partly fer- 

 ruginous, a little longer than the chest ; appendages at the tip black : 

 legs tawny : fore-wings narrow, brown, paler in the disk and about 



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